re: swapcontext vs libpthread, round 10

[matthew green <mrg%eterna.com.au@localhost>]

> - Documenting uc_flags while it is not public API. I just say that it 
> is implementation specific and should not be used. IMO documentation cannot 
> hurt, especially since the field name suggests it is public API while it 
> is not (it should have been _uc_flags).

the right place to document this is in the source code, not in the
public documentation.  please move or delete this.


.mrg.